AdvertisingIdClient

Helper library for retrieval of advertising ID and related information such as the limit
ad tracking setting.

It is intended that the advertising ID completely replace existing usage of other
identifiers for ads purposes (such as use of ANDROID_ID in Settings.Secure)
when Google Play Services is available. Cases where Google Play Services is unavailable are
indicated by a
GooglePlayServicesNotAvailableException being thrown by
getAdvertisingIdInfo().